NSW renovation planning guide

Ensuite Renovation Planning: A NSW Scope and Coordination Checklist

An ensuite may be compact, but it concentrates waterproofing, drainage, ventilation, electrical work, finishes and access into one tightly coordinated space. This guide helps owners define the brief, approvals and construction interfaces before requesting comparable proposals.

Start with the existing room, not the finishes

A useful brief records what is known, what must be investigated and who is responsible for each decision. It should distinguish cosmetic preferences from changes that affect structure, plumbing, waterproofing, ventilation, electrical services or common property. That clarity helps designers, licensed trades, builders, certifiers and owners coordinate their separate responsibilities.

Existing condition

Record room dimensions, floor levels, visible cracking, moisture staining, ventilation, access, service locations and any known leak or repair history. Suspected concealed defects should be investigated before the scope is fixed.

Layout and clearances

Confirm door swings, shower entry, toilet and vanity clearances, storage, circulation and safe access. Relocating fixtures can affect drainage falls, penetrations and construction cost.

Wet-area interfaces

Define the intended substrate, falls, floor waste, shower screen, membrane terminations and transitions at doors and penetrations. Waterproofing is a system of connected details, not a single product choice.

Services and ventilation

Coordinate plumbing, drainage, hot water, electrical points, lighting and mechanical exhaust before linings and finishes. Confirm which elements are retained, relocated or replaced.

A practical seven-stage planning sequence

  1. Define the project objective

    State who will use the ensuite, which current problems must be solved and which outcomes are priorities. Separate essential performance needs from optional upgrades so proposals can be compared fairly.

  2. Check approvals and building context

    Identify whether the property is strata, whether common property may be affected and whether planning, building or owners corporation approval is required. Do this before ordering fixtures or booking work.

  3. Survey and investigate

    Verify dimensions and service positions. Where the history or condition is uncertain, allow for appropriate investigation of substrates, moisture, drainage and structural interfaces by the relevant competent people.

  4. Coordinate the design

    Resolve the layout, fixture data, lighting, ventilation, drainage, waterproofing details, finishes and access as one coordinated package. Record assumptions and outstanding selections.

  5. Allocate responsibilities

    Prepare a simple responsibility matrix covering design, approvals, licensed work, product selection, inspections, certification, protection of adjoining areas and handover records.

  6. Compare complete scopes

    Ask each proponent to price the same inclusions, exclusions, allowances and programme assumptions. A low figure based on missing demolition, preparation, waste, access or certification items is not directly comparable.

  7. Control changes and handover

    Document discoveries and variations before changed work proceeds. At completion, retain applicable approvals, certificates, warranties, product information and maintenance guidance.

Responsibility boundary: SCE can support construction planning and coordination for an agreed project scope. Required designs, declarations, approvals, certification and licensed trade work remain the responsibility of the appropriately appointed practitioners and authorities.

What to include in an ensuite renovation brief

  • Property type, building class where known and strata status
  • Measured plan, photographs and access constraints
  • Known leak, moisture, cracking or repair history
  • Fixtures to retain, relocate or replace
  • Wall, floor and ceiling changes
  • Plumbing, drainage and floor-waste requirements
  • Waterproofing and substrate preparation scope
  • Ventilation, lighting and electrical requirements
  • Finish schedule and product data
  • Protection, noise, dust and waste-management arrangements
  • Inspection, certification and handover deliverables
  • Allowances, exclusions, programme and change-control process

Frequently asked questions

Do all ensuite renovations need council approval in NSW?

No single answer applies to every project. Approval depends on the property, the proposed work and whether the relevant exempt-development conditions are met. Check the NSW Planning Portal and seek project-specific advice before work starts.

Does a strata ensuite renovation need owners corporation approval?

Bathroom work in strata commonly needs approval, particularly where waterproofing, structure or common property is affected. Check the scheme’s by-laws and current NSW strata renovation rules, and obtain the required decision before starting.

Should the layout be finalised before choosing fixtures?

Coordinate them together. Fixture dimensions, clearances, door swings, waste locations and service requirements can determine whether a layout is practical. Product data should be available before rough-in and construction details are finalised.

Why is waterproofing coordination important?

The membrane must work with substrates, falls, wastes, penetrations, junctions and door thresholds. Treating waterproofing as an isolated product selection can leave unresolved interfaces that later become difficult to inspect or repair.

What should be checked before moving plumbing fixtures?

Confirm existing service locations, drainage routes, required falls, structural penetrations, access for installation and any common-property implications. The relevant licensed and design practitioners should verify feasibility for the specific building.

How can owners compare renovation proposals?

Issue the same brief and compare inclusions, exclusions, allowances, programme assumptions, approvals, inspections and handover deliverables. Ask proponents to identify unresolved risks rather than hiding them inside a broad allowance.

What records should be retained at handover?

Keep the applicable approvals, certificates, inspection records, warranties, product data, maintenance instructions and an agreed record of variations. The exact documents depend on the work and appointed parties.

Turn the brief into a coordinated project scope

Share the property context, known conditions and intended changes with SCE. We can discuss whether the renovation fits our construction and coordination capability and identify the next information needed for a responsible project review.